88638625380 has 48 divisors (see below), whose sum is σ = 248864474880. Its totient is φ = 23572555008.

The previous prime is 88638625343. The next prime is 88638625399. The reversal of 88638625380 is 8352683688.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 88638625380.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990665 + ... + 2034704.

It is an arithmetic number, because the mean of its divisors is an integer number (5184676560).

Almost surely, 2^88638625380 is an apocalyptic number.

It is an amenable number.

88638625380 is an abundant number, since it is smaller than the sum of its proper divisors (160225849500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88638625380 is a wasteful number, since it uses less digits than its factorization.

88638625380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025748 (or 4025746 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 88638625380 in words is "eighty-eight billion, six hundred thirty-eight million, six hundred twenty-five thousand, three hundred eighty".